An updated version of the software has been released to address the vulnerability:
http://support.apple.com/kb/HT1222

NCC Group is going to withhold details of this flaw for three months. This three month window will allow users the time needed to apply the patch before the details are released to the general public. This reflects the NCC Group approach to responsible disclosure.

NCC Group Research
http://www.nccgroup.com

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